The codec's are run on the client side, so no effect other than reduced storage / transfer time on the Datanode. The native codecs are generally more cpu efficient and there for time efficient on the client side.
On Mon, Sep 28, 2009 at 5:39 PM, Stas Oskin <[email protected]> wrote: > Hi. > > I have a question - are hadoop native libraries for Hadoop compression, > have/going to have any impact on HDFS? > > Regards. > -- Pro Hadoop, a book to guide you from beginner to hadoop mastery, http://www.amazon.com/dp/1430219424?tag=jewlerymall www.prohadoopbook.com a community for Hadoop Professionals
